diff --git a/pppd/main.c b/pppd/main.c
index ed1ae6810..2a10f0ee3 100644
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -784,7 +784,13 @@ set_ifup(const char* name)
     const char** t;
 
     if (!up_protos) {
+	char iftmpname[IFNAMSIZ];
+	int ifindex = if_nametoindex(ifname);
 	run_net_script(PPP_PATH_NET_PREUP, 1);
+	if (if_indextoname(ifindex, iftmpname) && strcmp(iftmpname, ifname)) {
+	    info("Detected interface name change from %s to %s.", ifname, iftmpname);
+	    strcpy(ifname, iftmpname);
+	}
 	if (!netif_set_state(1))
 	    return 0;
     }